See the difference. Since 2010, Catana Windows and Doors has been manufacturing and distributing European-style Tilt & Turn windows and doors, all CSA tested and Energy Star rated, for Canadian homeowners, builders and contractors. Catana is passionate about Tilt & Turn windows and doors because of the many unique features and benefits – including top-rated quality, unparalleled security, energy efficiency, and classic styles with unobstructed views. With a head office located in London, Ontario, Catana is expanding quickly and becoming one of South-Western Ontario’s most trusted manufacturers of windows and doors.